Παραπομπή APA

Foskett, D. (1974). Classification and indexing in the Social Sciences (2nd ed.). Butterworths.

Παραπομπή Chicago Style

Foskett, D.J. Classification and Indexing in the Social Sciences. 2nd ed. London: Butterworths, 1974.

Παραπομπή MLA

Foskett, D.J. Classification and Indexing in the Social Sciences. 2nd ed. Butterworths, 1974.